JPS6016197U - acoustic transducer - Google Patents

acoustic transducer

Info

Publication number
JPS6016197U
JPS6016197U JP10805983U JP10805983U JPS6016197U JP S6016197 U JPS6016197 U JP S6016197U JP 10805983 U JP10805983 U JP 10805983U JP 10805983 U JP10805983 U JP 10805983U JP S6016197 U JPS6016197 U JP S6016197U
Authority
JP
Japan
Prior art keywords
acoustic transducer
acoustic
sound emitting
opening
electromagnet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10805983U
Other languages
Japanese (ja)
Inventor
古瀬　節男
高橋　善二郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Corp
Original Assignee
TDK Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TDK Corp filed Critical TDK Corp
Priority to JP10805983U priority Critical patent/JPS6016197U/en
Publication of JPS6016197U publication Critical patent/JPS6016197U/en
Pending legal-status Critical Current

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は電磁型音響変換器の従来例を示す断面図、第２
図は同じく別の従来例における断面図、第３図は同じく
別の従来例における断面図、第４図は本考案に係る音響
変換器の断面図、第５図は同じく更に別の実施例におけ
る斜視図である。 １・・・・・・ケース、２・・・・・・コイル、３・・
・・・・鉄心、４・・・・・・ヨーク、５・・・・・・
永久磁石、６・・・・・・振動板、１３・・・・・・防
水膜体、１４・・・・・・開口部。Figure 1 is a sectional view showing a conventional example of an electromagnetic acoustic transducer;
FIG. 3 is a cross-sectional view of another conventional example, FIG. 4 is a cross-sectional view of the acoustic transducer according to the present invention, and FIG. 5 is a cross-sectional view of another conventional example. FIG. 1...Case, 2...Coil, 3...
...Iron core, 4...Yoke, 5...
Permanent magnet, 6... diaphragm, 13... waterproof membrane body, 14... opening.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）音響変換部と、該音響変換部を内蔵する筒状のケ
ースと、該ケースの放音開口部側に嵌合される放音筒体
とを有する音響変換器において、前記ケースの放音開口
部を防水膜体によって閉塞し、前記放音筒体の側面外周
部の前記防水膜体に対応する位置に開口部λ設けたこと
を特徴とする音響変換器。(1) In an acoustic transducer that includes an acoustic converter, a cylindrical case containing the acoustic converter, and a sound emitting cylinder fitted to a sound emitting opening side of the case, An acoustic transducer characterized in that a sound opening is closed by a waterproof membrane, and an opening λ is provided at a position corresponding to the waterproof membrane on the outer periphery of the side surface of the sound emitting cylinder. （２）前記音響変換部は、電磁石及び永久磁石の磁気的
相互作用により、前記電磁石の磁極に対して空隙を介し
て対向させた振動板を励振するもので成ることを特徴と
する実用新案登録請求の範囲第１項に記載の音響変換器
。(2) Utility model registration characterized in that the acoustic transducer is configured to excite a diaphragm facing the magnetic pole of the electromagnet with an air gap interposed therebetween through magnetic interaction between an electromagnet and a permanent magnet. An acoustic transducer according to claim 1.
JP10805983U 1983-07-11 1983-07-11 acoustic transducer Pending JPS6016197U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10805983U JPS6016197U (en) 1983-07-11 1983-07-11 acoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10805983U JPS6016197U (en) 1983-07-11 1983-07-11 acoustic transducer

Publications (1)

Publication Number Publication Date
JPS6016197U true JPS6016197U (en) 1985-02-02

Family

ID=30252254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10805983U Pending JPS6016197U (en) 1983-07-11 1983-07-11 acoustic transducer

Country Status (1)

Country Link
JP (1) JPS6016197U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02134559A (en) * 1988-11-15 1990-05-23 Kanebo Ltd Apparatus for exciting material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02134559A (en) * 1988-11-15 1990-05-23 Kanebo Ltd Apparatus for exciting material

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